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분수: 분모가 다른 덧셈4분수0

1
1 5
+
2 4
=
14 20
1
+
2
=
7 10
2
2 4
+
1 3
=
10 12
2
+
1
=
5 6
3
1 3
+
5 2
=
17 6
4
2 2
+
1 7
=
16 14
2
+
1
=
8 7
5
1 7
+
8 3
=
59 21
6
1 9
+
5 6
=
17 18
7
6 7
+
1 8
=
55 56
8
1 8
+
2 3
=
19 24
9
2 3
+
5 5
=
25 15
2
+
5
=
5 3
10
5 5
+
4 8
=
60 40
5
+
4
=
3 2
11
4 8
+
3 3
=
36 24
4
+
3
=
3 2
12
3 3
+
2 7
=
27 21
3
+
2
=
9 7
13
7 4
+
1 2
=
9 4
14
1 2
+
9 6
=
12 6
1
+
9
=
2
15
9 6
+
1 5
=
51 30
9
+
1
=
17 10